What Is PITI? Your Complete Monthly Mortgage Payment Explained

PITI stands for Principal, Interest, Taxes, and Insurance — the four components that make up your complete monthly mortgage payment. Most calculators only show you P&I (principal and interest), which significantly understates your real monthly cost. Understanding PITI helps you budget accurately, qualify correctly, and avoid payment shock after closing.

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Key Facts at a Glance
Principal
Reduces your loan balance
Interest
Cost of borrowing (front-loaded)
Taxes
Property tax ÷ 12, held in escrow
Insurance
Homeowners insurance + PMI if applicable
Tax + Ins. as % of payment
Typically 20–35% of total PITI

Frequently Asked Questions

Why do lenders look at PITI instead of just P&I?
Because PITI is your actual out-of-pocket cost each month. Lenders use your total PITI payment to calculate your front-end debt-to-income ratio (housing DTI). If they only used P&I, they'd systematically underestimate your true housing burden — leading to loans people can't actually afford.
Escrow is a holding account your lender manages to ensure taxes and insurance are paid on time. Your lender has a financial interest in the property — if it burns down uninsured, or if the county seizes it for unpaid taxes, the lender loses their collateral. Escrow protects everyone.
Some lenders allow "escrow waivers" for borrowers with 20%+ down and strong credit, though you typically pay a small fee (0.125–0.25% of the loan). This requires discipline to save monthly for large annual bills. Many financial advisors recommend keeping escrow for the forced savings benefit.
Principal payments increase over time (amortization front-loads interest). Interest decreases as your balance falls. Property taxes and insurance typically increase gradually with assessed value and inflation. In year 30, your principal component is very high and interest very low — the opposite of year 1.
HOA (homeowner association) dues, utilities, and maintenance are not included in PITI. These can add $200–$1,000+/month to your true cost of ownership, especially in condos, townhomes, and planned communities. Always factor these into your budget.
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